Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4973695 | Process for preparing pyridine-2,3-dicarboxylic acid compounds | Takaharu Yamashita, Shouzo Shimada | 1990-11-27 |
| 4837903 | Method and apparatus for producing slub yarn | Shigeru Takemae | 1989-06-13 |